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2. Template:Atomic mass - Wikipedia

   en.wikipedia.org/wiki/Template:Atomic_mass

   The mass of an atom or a molecule is referred to as the atomic mass. The atomic mass is used to find the average mass of elements and molecules and to solve stoichiometry problems. The name "atomic mass" is used for historical reasons, and originates from the fact that chemistry was the first science to investigate the same physical objects on ...

3. Template:Chem molar mass/format - Wikipedia

   en.wikipedia.org/wiki/Template:Chem_molar_mass/...

   Atomic number Element Molar mass Formal standard atomic weight s.a.w., formal short Note Z calculated; g·mol −1 A r, standard [2] A r, abridged and conventional [2]; C 9 H 8 O 4: 180.159 g·mol −1

4. Atomic mass - Wikipedia

   en.wikipedia.org/wiki/Atomic_mass

   Alternately, the atomic mass of a carbon-12 atom may be expressed in any other mass units: for example, the atomic mass of a carbon-12 atom is 1.992 646 882 70 (62) × 10 −26 kg. As is the case for the related atomic mass when expressed in daltons , the relative isotopic mass numbers of nuclides other than carbon-12 are not whole numbers, but ...

5. Mass number - Wikipedia

   en.wikipedia.org/wiki/Mass_number

   The mass number gives an estimate of the isotopic mass measured in atomic mass units (u). For 12 C, the isotopic mass is exactly 12, since the atomic mass unit is defined as 1/12 of the mass of 12 C. For other isotopes, the isotopic mass is usually within 0.1 u of the mass number.

6. Standard atomic weight - Wikipedia

   en.wikipedia.org/wiki/Standard_atomic_weight

   The standard atomic weight (A r °(Cu)) for copper is the average, weighted by their natural abundance, and then divided by the atomic mass constant m u. [ 1 ] The standard atomic weight of a chemical element (symbol A r °(E) for element "E") is the weighted arithmetic mean of the relative isotopic masses of all isotopes of that element ...

7. Template:Atomic mass/doc - Wikipedia

   en.wikipedia.org/wiki/Template:Atomic_mass/doc

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8. Template : Infobox element/standard atomic weight/value ...

   en.wikipedia.org/wiki/Template:Infobox_element/...

   CIAAW may publish changes to atomic weights (including its precision and derived values). Since 1947, any update this is done in odd years nominally; the actual date of publication may be some time later. 2009 {} (introducing interval notation; Ge): "Atomic weights of the elements 2009 (IUPAC Technical Report)". Pure and Applied Chemistry.

9. Template : Periodic table (standard atomic weight)/sandbox

   en.wikipedia.org/wiki/Template:Periodic_table...

   1 Usage. 2 See also. Toggle the table of contents. Template: Periodic table (standard atomic weight)/sandbox. Add languages ...